It’s that time of the year again – the transfer window is now open until September 1 and it’s sure to be a busy period with clubs looking to make big signings ahead of next season. Here are today’s latest developments from Simon Jones and the Daily Mail Sport team… Manzambi bound for Toon Newcastle United have an agreement in principle with Freiburg for midfielder Johan Manzambi in a £49million deal.Though the Switzerland international has given verbal agreement on personal terms, he will not sign his contract until after the World Cup, with Switzerland preparing for a quarter-final against Argentina in the early hours of Sunday morning.German sources maintain that Aston Villa and Manchester United have also shown degrees of interest.Newcastle are also monitoring developments with Nottingham Forest full-back Neco Williams.The Wales international is also on a long list of options for Manchester United should they decide to pursue a left back this window.Forest have offered Williams new terms and he has three years left on contract.Manchester United expect to confirm the signings of Andrey Santos and Karl Darlow over the weekend. Brazil midfielder Ederson is also undergoing thorough medical tests before they can confirm his arrival from Atalanta. Newcastle United have agreed a £49million deal with Freiburg for youngster Johan ManzambiVeteran Coleman in talks with Blades Seamus Coleman has held talks with Sheffield United as manager Chris Wilder looks for a new right-back.The 37-year-old Coleman left Everton at the end of the season and has an offer to return there in a coaching capacity. However, Coleman has been determined to extend his playing career domestically and with Republic of Ireland and has taken up an invite to train with Wilder’s squad.The Blades have also been hoping to sign Coleman’s former teammate Lewis Dobbin from Aston Villa on loan. But Villa want a permanent sale.Upson Jnr in Arsenal frame Elijah Upson has visited Arsenal’s training ground as he considers his next move after leaving Tottenham.The 18-year-old defender, who is the son of former West Ham and England centre-back Matthew, has a number of top clubs chasing his signature after he turned down the professional terms offered by Spurs.He is spending time visiting various suitors as he looks to make a decision over the next week. The right-sided centre-back has some illustrious names to consider.Manchester City, Chelsea, Everton, Bayern Munich, Borussia Dortmund, RB Leipzig and Monaco have all registered their interest. Upson had been with Spurs since he was seven and featured for their U17, U18, and U21 sides, including in the U17 Premier League Cup-winning squad. His pace and athleticism, partly inherited from his sprinter mother, Ellie Darby, have been standout attributes during his youth career. Johnstone an option for Everton Everton are assessing Sam Johnstone as an option to bolster their goalkeeping ranks, Daily Mail Sport understands.The Toffees could add a number two goalkeeper this summer, with Coventry City in the hunt for their existing understudy, Mark Travers.The 33-year-old former England international is one of several goalkeepers on their shortlist to support Jordan Pickford.Johnstone made 30 appearances for relegated Wolverhampton Wanderers last season, although he missed the latter part of the campaign due to a shoulder injury. His deal at Wolves runs until summer 2028.Everton had previously made an offer to free agent Karl Darlow, who decided not to renew his contract at Leeds United, but the Wales goalkeeper is set to join Manchester United. EXCLUSIVE BY BOBBY MANZI Everton assess Manchester United academy product Sam Johnstone as an optionDarlow to make switch from Leeds to Man UnitedManchester United are close to signing Karl Darlow as a back-up goalkeeper.He is a free agent after leaving Leeds United at the end of his contract and his representatives have been discussing a two year deal.Leeds have made efforts to re-sign him while Everton also made an offer but agreement is now expected to be concluded with United as competition for Senne Lammens. United also expect to sell Altay Bayindir. Andrey Santos’s move to United is progressing swiftly following his medical today.The club are expected to confirm his £48m arrival from Chelsea over the weekend. Read the full story on Santos’ move here. Everton’s Iroegbunam a wanted man Everton midfielder Tim Iroegbunam is attracting interest from Hull City and clubs in Italy.The 23-year-old has one year on contract and has also attracted enquiries from Ipswich Town.Iroegbunam had offers from Lazio in January and a deal to Italy could yet be resurrected.Everton remain in the market for a goalkeeper with Coventry City keen in Mark Travers.They had held talks with Karl Darlow but he is joining Manchester United.Everton hold an interest in Bayer Leverkusen striker Christian Kofane, whose agent was recently pictured at Finch Farm training ground, but a deal is considered unlikely at this stage. Eagles swoop for MinguezaCrystal Palace have signed Oscar Mingueza on a free transfer from Celta de Vigo.The 27-year-old Barcelona academy product becomes Pierre Sage’s first signing as Palace boss, arriving on a four-year deal.Mingueza made 127 appearances for Celta de Vigo and was in the Europa League team of the season last term.A versatile defender, he can play centre back and full back. But Palace primarily view Mingueza as cover for right wing back Daniel Munoz.Palace beat several major European sides to the Spanish international’s signature – including Arsenal and Newcastle United.The Eagles playfully announced his arrival on social media using the Oscars theme song. BOBBY MANZI Wilson is the Bees kneesBrentford have completed the signing of Callum Wilson on a free transfer.The 34-year-old has signed a one-year deal after the expiry of his deal at West Ham.Brentford head coach Keith Andrews said: ‘Callum is someone that everyone will be familiar with; he has been a Premier League goalscorer for such a long time.‘He gives us more options in that area of the pitch, and will help Igor Thiago and Kaye Furo with the experience that he has.’Brentford, who signed Jaidon Anthony earlier this week, are also looking to fend off competition from Spurs for 18-year-old midfielder Ousmane Diabate from Turkish side Genclerbirligi.Hull get their man, OzkanOkan Ozkan was at Hull City today ahead of his appointment as sporting director. Meslier makes his moveArsenal have completed the signing of Illan Meslier following the expiry of his contract at Leeds United.’It’s a great day for me because I have just joined the champions. For me, Arsenal is the biggest club in England,’ Meslier said on confirmation of his signing.“I’m very happy and very proud to join Arsenal. I cannot wait to show the love that I’ve got for this badge.”Meslier’s arrival at Arsenal will allow 20-year-old Tommy Setford to go out on loan if Kepa Arrizabalaga does not leave. He is evaluating offers from Spain.Charles off to QPR after City moveGoalkeeper Pierce Charles has completed his medical at QPR and agreed his switch to the Championship club as he prepares to join them on loan from Manchester City.Daily Mail Sport revealed Rangers’ interest in the former Sheffield Wednesday keeper earlier this week as he completed his move back to City in a deal worth up to £10m.Wrexham had also shown interest but the Northern Ireland international is heading to QPR who have also moved for Motherwell’s Calum Ward as back-up keeper for £650,000. Goalkeeper Pierce Charles has completed his medical at QPR ahead of joining from Man CityBannan’s backBarry Bannan has returned to Sheffield Wednesday after leaving Millwall.The 36-year-old made an emotional exit from Hillsborough in January after 10 years at the club but the midfielder is back and has signed a one-year deal as they aim to bounce back from relegation.Millwall have announced the signing of free agent midfielder Mark Sykes on a two-year deal, following his departure from Bristol City. Leicester set to sign fox in the boxFormer England and Liverpool striker Danny Ings is poised to join Leicester City on a one-year contract.The 33-year-old is a free agent having last played at Sheffield United.Leicester have also asked about prolific Plymouth striker Lorent Tolaj but he is keen to play in the Championship or higher.Read all about it! Forest enquire over Dutch defenderNottingham Forest have spoken to Feyenoord about Netherlands Under-21 international right back Givairo Read, who is also on Manchester City’s watch list. The 20-year-old is under contract until 2029. Dutch defender Givairo Read is liked by Nottingham Forest and Man CityForest midfielder Jota Silva has joined Olympiacos on loan with an option to buy.Battle for young gun DiabateTottenham and Brentford are in talks over Genclerbirligi defensive midfielder Ousmane Diabate. The 18-year-old only joined the Turkish side in December after a move to FC Midtjylland was put on hold yet he has broken into the first team and impressed scouts.A Guinea international, the Premier League sides believe he can be prised away for around £3million plus bonuses. Brentford appear to be in pole position to land the midfielder as things stand. Brentford appear to be leading the race to sign Ousmane DiabateDiabate was called up to the Guinea senior squad by head coach Paulo Duarte for a friendly against Northern Ireland in June in Spain. He had caught the eye initially playing for SOAR Academie in Guinea and the African Youth Cup in Conakry in 2025. How much is David Beckham set to pocket from his World Cup brand deals? Take on our quiz in our newsletter HERE